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126 lines
3.6 KiB
126 lines
3.6 KiB
14 years ago
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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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13 years ago
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Copyright (C) 2011 Cyan Worlds, Inc.
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14 years ago
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 years ago
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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13 years ago
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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14 years ago
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#include "plBufferedSocketWriter.h"
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#include "plTcpSocket.h"
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plBufferedSocketWriter::plBufferedSocketWriter(int size, int bytesPerFlush, bool blockOnSend, int flushPoint)
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: plRingBuffer(size)
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, fFlushPoint(flushPoint)
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, fBlockOnSend(blockOnSend)
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, fBytesPerFlush(bytesPerFlush)
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{}
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int plBufferedSocketWriter::WriteBlock(const char * data, int len, plTcpSocket & sck)
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{
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int ans = kSuccessNoDataSent;
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if(len > BufferAvailable())
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ans = Flush(sck);
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if(ans >= 0)
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ans = WriteBlock(data,len);
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if(ans >= 0 && fFlushPoint >= 0 && fFlushPoint < AmountBuffered())
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ans = Flush(sck);
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return ans;
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}
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int plBufferedSocketWriter::WriteBlock(const char * data, int len)
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{
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int ans = kSuccessNoDataSent;
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if(!Put(data,len))
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ans = kFailedNoBufferSpace;
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return ans;
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}
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int plBufferedSocketWriter::Flush(plTcpSocket & sck) // this is where things get ugly.
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{
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int ans = kSuccessNoDataSent;
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int writeSize = MIN(FastAmountBuffered(),fBytesPerFlush);
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if(writeSize > 0)
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{
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int nBytesWritten = 0;
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// int nBytesWritten = sck.SendData(FastGetBufferStart(), writeSize);
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// if (nBytesWritten<0 && fBlockOnSend
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// && plNet::GetError()==kBlockingError)
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{
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bool wasBlockingOrNot = sck.IsBlocking();
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sck.SetBlocking(fBlockOnSend);
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nBytesWritten = sck.SendData(FastGetBufferStart(), writeSize);
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sck.SetBlocking(wasBlockingOrNot);
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}
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if (nBytesWritten > 0)
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{
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fStartPos += nBytesWritten;
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FullCompress();
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ans = kSuccessDataSent;
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}
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else if (nBytesWritten < 0)
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{
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if (plNet::GetError()!=kBlockingError)
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ans = kFailedWriteError;
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}
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else
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{
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ans = kFailedSocketClosed;
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}
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}
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return ans;
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}
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bool plBufferedSocketWriter::IsEmpty()
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{
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return !(FastAmountBuffered() > 0);
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}
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void plBufferedSocketWriter::Reset()
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{
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plRingBuffer::Reset();
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}
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